Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Fowl, love and death in Vietnam.

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

This cavern was used as a hidden hospital and safe house during the Vietnam War.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

This network of tunnels housed an entire village for years, and even had a hall for screening movies.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

An extravagant monument to an extravagantly unpopular Emperor.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

A Seattle oddities shop brimming with Victorian-era gems and antique curio.

A walk through the historic city center, under the streets of Seattle.

This working class sculpture pounds his hammer all the livelong day.

This historic building provides a powerful glimpse into the lives of Japanese Americans forced to relocate during World War II.

A piece of Seattle’s historic Chinatown preserved inside a modern museum.

A colorful architectural gem in Seattle's uniquely modern Central Library.

Couple's personal collection of pinball machines turned public pinball museum.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.